-99.64% is the change from 838 to 3
Calculation steps:
[( 3 - 838 ) ÷ 838] x 100 = -99.64%
Formula
Percentage change = [(3 - 838) / 838] x 100
Subtract the new number by the original number
3 - 838 = -835
-835 ÷ 838 = -0.9964200477326969
-0.9964200477326969 x 100 = -99.64%